class_docstr: Test the output of the MPS template.
code: def circuit3_block(wires, k=None):
      qml.MultiControlledX(wires=[wires[i] for i in range(len(wires))])
      assert k == 2
  
imports: import pytest
  import numpy
  import pennylane
  from pennylane.templates.tensornetworks.mps import compute_indices_MPS, MPS
label_desc: Use image node_id 5 for calling the TestTemplateOutputs obj's underlying member method code with example usage: obj.circuit3_block(wires, k) without return types